Former Vice President Joe Biden maintains his front-runner status, but a new national survey in the race for the 2020 Democratic presidential nomination spotlights a drop in support for Sen. Bernie Sanders and an edging up by Sens. Kamala Harris of California and Elizabeth Warren of Massachusetts.

Former Vice President Joe Biden maintains his front-runner status, but a new national survey in the race for the 2020 Democratic presidential nomination spotlights a drop in support for Sen. Bernie Sanders and an edging up by Sens. Kamala Harris of California and Elizabeth Warren of Massachusetts.

Sen. Elizabeth Warren, the populist senator who’s put out one progressive policy proposal after another during the race for the Democratic presidential nomination, is enjoying a fresh rise in the polls.

Sen. Elizabeth Warren, the populist senator who’s put out one progressive policy proposal after another during the race for the Democratic presidential nomination, is enjoying a fresh rise in the polls.

Former Vice President Joe Biden remains the clear front-runner in the race for the Democratic presidential nomination, but a new national poll is the latest to indicate a recovery by Sen. Elizabeth Warren of Massachusetts.

Former Vice President Joe Biden remains the clear front-runner in the race for the Democratic presidential nomination, but a new national poll is the latest to indicate a recovery by Sen. Elizabeth Warren of Massachusetts.

As Sen. Elizabeth Warren climbs in Democratic presidential polls, touting an image as the champion of the working class against powerful corporations, it's only a matter of time before she faces renewed questions about her history advocating on behalf of the kinds of corporations she now vilifies.

As Sen. Elizabeth Warren climbs in Democratic presidential polls, touting an image as the champion of the working class against powerful corporations, it's only a matter of time before she faces renewed questions about her history advocating on behalf of the kinds of corporations she now vilifies.